. Only police and mail cars can go on the roads on this day.Computer policeKUWAIT(科威特) is a country...World without carsWHAT will the world be like without cars?Liechtenstein(列支敦士登) in westernEurope(欧洲 ……

长着腿的汽车！What will cars in the future look like? Look at this car. It has four legs. It comes from South Korea (韩国). With these legs, the car can do a lot of things. It can run. It can walk on rocks ……

, on Sept 17. During the day from 9:30 am to 7 pm, people can’t drive cars. They can ride a bike or walk... can’t drive cars. They can ride a bike or walk in the city. In this way, people can see the city ……

-driving cars. It can tell the user how far he or she is from obstacles (障碍物). With the smart cane, blind users can walk about 20 percent faster.   TEENSSmart cars, smart phones ... things ……

walls and step across gaps of the same length. Therefore, it can drive, walk or even climb over rocks..., the company said.It is also easy for disabled people to use. The car can walk up to a door so that wheelchair ……

for a long time for their electric cars to charge (充电). Now, a road in the US can charge electric cars... for a long time for their electric cars to charge (充电). Now, a road in the US can charge electric cars ……

such a large hula hoop is hard. This hula hoop is 5.14 meters in diameter (直径). Two cars can “sit... is very __________ (small/large).3. Two _________ (cats/cars) can sit inside the hula hoop.4. Yuya ……

走路上学日
. “Walk to School Day” stops us using cars and buses. That is good for the air. We get exercise too...At my school and at many other schools in the US, there is a “Walk to School Day” every month ……

. A zebra-crossing is white and black. People can see it easily. People walk over a zebra-crossing when they want to cross the road. This can make them safe from cars.Great pictureNovember 3, 1507: Italian ……

, they can help workers to build cars. At airports, they can help clean the floor. In hospitals...?Some robots look like people. This one looks like a man. It can talk, walk and kick a soccer ball ……

of their cars. People left taxis and buses and decided to walk to their destinations.Half an hour... was sunny and clear, but there were too many vehicles on the road. Our cars had to move at a snail's pace ……

物). With the smart cane, blind users can walk about 20 percent quicker. The cane can be built at home... the distance between nearby obstacles (障碍物). With the smart cane, blind users can walk about 20 percent ……

行人可以斜穿马路的十字路口，你见过吗？The traffic light (交通信号灯) at a four-way crossing (十字路口) turns green. All the cars stop. Pedestrians (行人) can then walk in any direction they like at the crossing. Does this sound ……

encourages (鼓励) people around the world to leave their cars at home. To get around, they can use public transportation (公共交通), take a bicycle or just walk. This year, the Spanish city of Barcelona got ……

are very different. People walk on the left and the cars move on the right. This goes back to the time...) manners require people to stand right and walk left. Those who are not in a hurry stand on the right ……